Abstract
New expressions for components of the form factor for a composite system of two equal-mass relativistic fermions were obtained for the vector-current case. The respective consideration was performed within the relativistic quasipotential approach based on the covariant Hamiltonian formulation of quantum field theory via a transition to the three-dimensional relativistic configuration representation for the case of interaction between two equal-mass particles of spin 1/2.
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Acknowledgments
I am grateful to O.P. Solovtsova, V.V. Andreev, A.E. Dorokhov, Yu.A. Kurochkin, and I.S. Satsunkevich for their interest in this study, an enlightening discussion on its results, and valuable comments.
Funding
This work was supported by the Program of International Cooperation between Republic of Belarus and Joint Institute for Nuclear Research (JINR, Dubna) and by the State Research Program for the Period Spanning 2016 and 2020 Convergence-2020 (Microphysics, Plasma, and Universe section).
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Russian Text © The Author(s), 2019, published in Yadernaya Fizika, 2019, Vol. 82, No. 4, pp. 287–296.
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Chernichenko, Y. Form Factor for a Two-Fermion Composite System: Case of Equal Masses and Vector Current. Phys. Atom. Nuclei 82, 334–342 (2019). https://doi.org/10.1134/S1063778819040069
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DOI: https://doi.org/10.1134/S1063778819040069